1. Working voltage:DC3.3V-5.5V
2. Working Current: ≤4.5mA(5.0VDC)
3. The working principle: super-regeneration
4.Mode of operation: OOK/ASK
5. Frequency range: 250MHz-450MHz
6. Working temperature: -20~+70
7. Receiving sensitivity: superior to-105dBm(50Ω)
8. Transfer rate: 300Hz~6KHz
9. The format of decodes: SC2272-M4, SC2272-L4 and so on .
10. Output signals: TTL level,four ways of output
11. Oscillating electrical resistance:Default is 820K (we can change it according to customer requirements,)
12. Size : 37*17*7.

Feature:

1. Self-lock --SC2272-T4 
2. Jog--SC2272-M4 
3.inter-lock----SC2272-L4 
Jog---- press one button is ON . loosen your finger on the same button is OFF . 
need one channel switch and one buttons remote control ) 
Self -lock----- press one button for one time is ON .press the same button again is OFF . 
need one channel switch and one buttons remote control 
Inter-lock-------press one button is ON , press another button is OFF . 
need one channel switch and 2 buttons remote control 
Transmitter Specification: 
Working voltage:12V 
Working current:<35ma 
IDDQ:0MA 
Operating frequency;315MHZ/433MHZ 
Launch distance:30-200M(open environment)